Also Bakbukiah
Baqbukyah (bak-book-yaw')
emptying (i.e. wasting) of Jah; Bakbukjah, an Israelite -- Bakbukiah.
and Unni
`Unniy (oon-nee')
afflicted; Unni, the name of two Israelites -- Unni.
their brethren
'ach (awkh)
a brother (used in the widest sense of literal relationship and metaphorical affinity or resemblance (like 1) -- another, brother(-ly); kindred, like, other.
were over against them in the watches
mishmereth (mish-mer'-reth)
watch, i.e. the act (custody), or (concr.) the sentry, the post; obj. preservation, or (concr.) safe; fig. observance, i.e. (abstr.) duty or (obj.) a usage or party -- charge, keep, or to be kept, office, ordinace, safeguard, ward, watch.